1260805 has 32 divisors (see below), whose sum is σ = 1983744. Its totient is φ = 746496.

The previous prime is 1260799. The next prime is 1260827. The reversal of 1260805 is 5080621.

It is a happy number.

It is a 6-Lehmer number, since φ(1260805) divides (1260805-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 1260805 - 2³ = 1260797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7654 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2^1260805 is an apocalyptic number.

It is an amenable number.

1260805 is a deficient number, since it is larger than the sum of its proper divisors (722939).

1260805 is a wasteful number, since it uses less digits than its factorization.

1260805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1260805 is about 1122.8557342776. The cubic root of 1260805 is about 108.0312266814.

The spelling of 1260805 in words is "one million, two hundred sixty thousand, eight hundred five".